I think there is only a handful of FM3 Deputy coupe 70 challengers out there. Mine being an original 318 3spd manual has to make it close to 1 of 1
EN1
FM3 A93 C55 M21 R11 Y05
FM3 L6X9 000 513 174071
E44 D13 JH23 G0B 339543
EN1 - End of Codes
Y05 - Build for U.S.
R11 - MusicMaster AM Radio
M21 - Drip Trough Mouldings
C55 - Bucket Seats
A93 - Challenger Deputy (Coupe) Package
FM3 - Panther Pink Upper Body Paint
FM3 - Panther Pink Lower Body Paint
L6X9 - Base Black Vinyl Bucket Seat Interior
000 - Upper Door Frame Paint (N/A on E-Body)
513 - Scheduled Production Date - Wednesday, May 13, 1970
174071 - Order Number
E44 - 318 2-BBL Engine
D13 - 3-Speed Manual Transmission With Floor Shift
JH23 - Challenger 2-Door Hardtop
G - 318 2-BBL Engine
0 - 1970 Model Year
B - Assembly Plant - Hamtramck, Michigan
339543 - Sequence Number
http://www.pantherpink.com/fm3228.htm